In order to study the effects of Chinese herbs on the immunity of Ctenopharyngodon idella and to deter-mine the optimum level of Chinese herbs in Ctenopharyngodon idella feed.In this study,120 healthy grass carp weighing about 100 g were selected and divided into four treatments with three replicates of 10 fish each according to a one-way experimental design.Ctenopharyngodon idella in each group were fed with diets containing 0％(con-trol),1％,2％and 4％of Chinese herbs for 8 weeks.At the end of the experiment,four Ctenopharyngodon idella from each replicate group were selected for blood collection and blood immunity indexes were tested.The results showed that the addition of 2％of the herbs to the Ctenopharyngodon idella feed increased the serum lysozyme activ-ity(P＜0.05);the addition of 1％and 2％of the herbs significantly increased the serum superoxide dismutase ac-tivity(P＜0.05),and significantly reduced the malondialdehyde level(P＜0.05).The study showed that the addi-tion of appropriate amount of Chinese herbs to Ctenopharyngodon idella feed can improve the non-specific immunity of the organism,and the optimum level of addition of Chinese herbs was determined to be 2％by combining the cost and data of various indexes.
维普
万方数据